CVE-2019-11708

HIGH

Description

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1559858

https://security.gentoo.org/glsa/201908-12

https://www.mozilla.org/security/advisories/mfsa2019-19/

https://www.mozilla.org/security/advisories/mfsa2019-20/

Details

Source: MITRE

Published: 2019-07-23

Updated: 2019-08-15

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 10

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 10

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 3.9

Severity: CRITICAL